Burnettweldia plumbella (Kinsey 1920), comb. nov.

Disholcaspis plumbella
Adleria plumbella

Hosts: Quercus berberidifolia, douglasii, dumosa

[Two photos of the gall appear on page 32 of the pdf]

Gall. (Figs 94–95). Detachable monolocular bud or stem gall, occuring singly or in clusters on young stems, with a long curved pointed beak at the apex. Two colour forms: (i) greenish with round yellow spots, and (ii) deep wine red with bright yellow spots. The main body of the gall 10–15 mm in diameter, apical projection around 2 mm. The larval chamber is spherical, located centrally (Burnett 1977, Russo 2006).

Biology. Galls appear in May, fully grown in August, mature in September and early October; adults emerge in November-December. Overwinters in the egg stage. Galls on Q. berberidifolia, Q. douglasii, Q. dumosa (Burks 1979)

Range: CA, Baja California

- George Melika, Juli Pujade-Villar, James Nicholls, Victor Cuesta-Porta, Crystal Cooke-McEwen, Graham Stone: (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld^©